DERIVATIVE INSTRUMENTS - Notional amount and FV (Details) - Foreign Currency Contract - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016
Designated as Hedging Instrument | Other current assets
Asset Derivatives
Asset Derivatives, Notional amount	$ 40,300	$ 26,612
Asset Derivatives, Fair value	2,388	1,017
Designated as Hedging Instrument | Accrued expenses
Liability Derivatives
Liability Derivatives, Notional Amount	1,600
Liability Derivatives, Fair Value	5
Not Designated as Hedging Instrument | Other current assets
Asset Derivatives
Asset Derivatives, Notional amount	11,500
Asset Derivatives, Fair value	11
Not Designated as Hedging Instrument | Accrued expenses
Liability Derivatives
Liability Derivatives, Notional Amount	43,439	42,156
Liability Derivatives, Fair Value	$ 408	$ 354